> Just wiretapping isn't sufficient

Please explain, I was under the impression that the above could not reasonably be claimed anymore with any kind of certainty [1][2][3]. Perhaps I'm misunderstanding something important here or the 'Happy Dance!!' slide [4] made me paranoid.

[1] http://arstechnica.com/security/2016/10/how-the-nsa-could-pu... [2] http://arstechnica.com/security/2016/08/cisco-firewall-explo... [3] http://arstechnica.com/security/2015/10/how-the-nsa-can-brea... [4] http://www.spiegel.de/media/media-35515.pdf